Tester Claims Fable 5.1 Excels at Long-Horizon Tasks, Finance and Consulting 'Wiped Out'

felpix_ · x · 2026-09-02

X user felpix reports testing 'Fable 5.1' on long-horizon tasks and claims finance and consulting will be 'wiped out' once Anthropic turns off its data retention policy — implying continued training on customer data would rapidly push frontier models past professional knowledge workers. The claim is hyperbolic personal opinion.

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